Sofa



FIG. 1 is a right side elevational view of soft showing my new design, the left side being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front perspective view thereof, showing the sofa in an alternate position;

FIG. 6 is a perpsective view showing another alternate position thereof; and,

FIG. 7 is a perspective view showing still another alternate position thereof. 

The ornamental design for sofa, as shown and described. 